[squeakland] problem with location of Etoys players

[Bert Freudenberg]

Am 24.09.2010 um 19:59 schrieb Louis LaBrunda <Lou at LaBrunda.Info>:

> Hi Stephen,
> 
> Thanks for the help.
> 
>> Are you sure the blob of tomato sauce is embedded in the playfield?  To get
>> the blob's halo then click on the menu and select "embed..." from the list.
>> The item highlighted in red will be the object it is embedded in.
> 
> The blob of sauce is embedded in the playfield.  The blob of sauce lives in
> a holder.  It is embedded the playfield.  I make a copy of it each time a
> blob of sauce is fired at the pizza.  When I check any of these copies,
> they are also embedded in the playfield.
> 
> I have also seen some odd behavior with the movement of the fired blob of
> sauce.  I was trying to make it take a saw edge path from the sauce can to
> the pizza.  I started it off with a direction of 135 (moving from left to
> right).  After moving 25 times, I would change the direction by -90 or 90
> every other time.  When changing the direction by 90, the blob would jump
> to a new location (down and back from where it was).  When changing by -90,
> it would work fine.


This sounds like the reference point if your blobs is off. Can you check that when you rotate a blob using its halo, the center of rotation is actually inside the blob?  

And just to make sure, your "blobs" are sketches, right?

- Bert -